﻿/// Copyright (c) 2011 Gennaro Borrelli
/// 
/// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files 
/// (the "Software"), to deal in the Software without restriction, including without limitation the rights to 
/// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 
/// and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
/// 
/// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
/// 
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
/// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
/// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
/// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

using System;

namespace Borrelli.MarsRover
{
    public class Plateau : ILandingSurface
    {
        public Plateau(int xMaxCoordinate, int yMaxCoordinate)
        {
            this.Width = xMaxCoordinate;
            this.Height = yMaxCoordinate;
        }

        public Plateau(string plateauCoordinates)
        {
            if (string.IsNullOrEmpty(plateauCoordinates))
                throw new ArgumentException();

            this.SplitMessageCoordinates(plateauCoordinates);
        }

        public virtual int Width { get; private set; }
        public virtual int Height { get; private set; }

        private static readonly char MessageSeperator = ' ';

        private void SplitMessageCoordinates(string plateauCoordinates)
        {
            string[] coordinateMessage = plateauCoordinates.Split(Plateau.MessageSeperator);

            int noOfMsgValues = 2;
            int xCoordinateIdx = 0;
            int yCoordinateIdx = 1;

            if (coordinateMessage.Length != noOfMsgValues)
                throw new ArgumentOutOfRangeException();

            this.Width = Convert.ToInt32(coordinateMessage[xCoordinateIdx]);
            this.Height = Convert.ToInt32(coordinateMessage[yCoordinateIdx]);
        }
    }
}
